on December 25, 2022
Calculate a river system with the field calculator in QGIS
Geographic Information SystemsContents:
How do I use the field calculator in QGIS?
Quote from video: And go to open attribute. Table. Then next I want to click on the pencil button here that will toggle edit mode on this is what it looks like when it's on if.
How do you measure the length of a river in QGIS?
Quote from video: Click the measure line button the measure window will appear. Click between any two points on the map to measure the distance between them for example between this mountain.
How do you calculate area in QGIS?
Make the layer editable, then use the field calculator ( Layer > Open attribute table > Field Calculator / Ctrl + I or right mouse click shapefile > Open attribute table > Field Calculator/ Ctrl + I ). There is an operator $area that will calculate the area of each row in the table.
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